Finding the Fourth Proportional to 159,397.68, 239,133.96 and 89,325.36
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Solution
The fourth proportional to 159,397.68, 239,133.96 and 89,325.36 is: 134,009.02
Step by Step Solution
- Step 1: Write the proportion equation
159,397.68 : 239,133.96 = 89,325.36 : x - Step 2: Convert to fraction form
159,397.68/239,133.96 = 89,325.36/x - Step 3: Cross multiply
159,397.68x = 239,133.96 × 89,325.36 - Step 4: Simplify right side
159,397.68x = 21,360,727,065.23 - Step 5: Solve for x
x = 21,360,727,065.23/159,397.68 - Step 6: Final answer
x = 134,009.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.